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1. FightPath FightPath Public

   Calibrated probabilistic forecasting for UFC fights: winner, method, duration and prop distributions, governed by four pre-registered evaluation gates.

   Python

2. Improving-Marketplace-Search Improving-Marketplace-Search Public

   Semantic product search over Amazon marketplace data: a dual-encoder retrieval model trained on LLM-generated queries with cluster-mined hard negatives.

   Jupyter Notebook

3. Diabetic-Retinopathy-Classification Diabetic-Retinopathy-Classification Public

   ResNet-18 classifiers for diabetic retinopathy from retinal images: binary detection and 5-class severity, with a Streamlit demo.

   Python

4. sqlengine sqlengine Public

   A SQL database engine written from scratch in Python: lexer, precedence-climbing parser, three-valued expression evaluator, join/aggregate executor, and an append-only key-value store.

   Python